Radial Velocities of 713 Stars in Four Fields of 4DEG by 4DEG - Measurements by the 620-MM Objective Prism of the Observatoire de Haute-Provence

Details Radial Velocities of 713 Stars in Four Fields of 4DEG by 4DEG - Measurements by the 620-MM Objective Prism of the Observatoire de Haute-Provence Radial Velocities of 713 Stars in Four Fields of 4DEG by 4DEG - Measurements by the 620-MM Objective Prism of the Observatoire de Haute-Provence

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26as...43..297f&link_type=abstract

Astronomy and Astrophysics Supplement, Vol. 43, P. 297, 1981

Astronomy and Astrophysics

Astrophysics

7

Scientific paper

We give a RV catalogue of 713 stars including exact positions, spectral types and approximate magnitudes. These stars belong to four fields of 4° × 4°: field N°1 -- l = 125°.75, b = 31°00 -- N°2 l = 142.98 b = -29.40 - N°3 -- l = 161.69 b = -27.76 - N°4 -- l = 73.94 b = +1.07.
The radial velocities are in the standard system. We give a list of 10 stars with high radial velocity. We discuss the accuracy of our measurements; the standard deviation for one measurement is 8.3 km s-1 and the mean standard error on the published radial velocity is roughly 4.2 km s-1.
We discuss the results field by field and give a radial velocity histogram for each field. The maxima of these histograms are at: field N°1 -- -8.4km s-1 -- field N°2, two maxima, the principal at +1.5 km s-1 and a secondary at -34 km s-15 -- field N°3 -6.5 km s-1 -- field N°4, two equal and distinct maxima, -10 km s-1 and -27 km s-1; they confirm, at this latitude, the deviation of the curve of the variation of linear velocity with respect to the distance to the center of the Galaxy given by Burton and Gordon.

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